[Testing] Publish new snapshots and diffs to a specific artifacts folder

eng/pipelines/common/ui-tests-steps.yml

@@ -12,6 +12,7 @@ parameters:
   testFilter: ''
   testConfigurationArgs: ''
   skipProvisioning: true
+  checkoutDirectory: $(System.DefaultWorkingDirectory)
 
 steps:
 - task: DownloadPipelineArtifact@2
@@ -177,3 +178,83 @@ steps:
     displayName: 'Enable Notification Center'
     continueOnError: true
     timeoutInMinutes: 60
+
+  - ${{ if eq(parameters.platform, 'android')}}:
+    - task: PowerShell@2
+      inputs:
+        targetType: 'inline'
+        script: |
+          $folderPath = "${{ parameters.checkoutDirectory }}/artifacts/bin/Controls.TestCases.Android.Tests/${{ parameters.configuration }}/net9.0/snapshots-diff"
+          if (Test-Path $folderPath) {
+            Write-Host "##vso[task.setvariable variable=androidFolderExists;isOutput=true]true"
+          } else {
+            Write-Host "##vso[task.setvariable variable=androidFolderExists;isOutput=true]false"
+          }
+      name: CheckAndroidFolderExists
+
+    - task: PublishBuildArtifacts@1
+      condition: eq(variables['CheckAndroidFolderExists.androidFolderExists'], 'true')
+      displayName: publish Android screenshots artifacts
+      inputs:
+        PathToPublish: ${{ parameters.checkoutDirectory }}/artifacts/bin/Controls.TestCases.Android.Tests/${{ parameters.configuration }}/net9.0/snapshots-diff
+        ArtifactName: uitest-snapshot-results-android
+
+  - ${{ if eq(parameters.platform, 'ios')}}:
+    - task: PowerShell@2
+      inputs:
+        targetType: 'inline'
+        script: |
+          $folderPath = "${{ parameters.checkoutDirectory }}/artifacts/bin/Controls.TestCases.iOS.Tests/${{ parameters.configuration }}/net9.0/snapshots-diff"
+          if (Test-Path $folderPath) {
+            Write-Host "##vso[task.setvariable variable=iosFolderExists;isOutput=true]true"
+          } else {
+            Write-Host "##vso[task.setvariable variable=iosFolderExists;isOutput=true]false"
+          }
+      name: CheckIosFolderExists
+
+    - task: PublishBuildArtifacts@1
+      condition: eq(variables['CheckIosFolderExists.iosFolderExists'], 'true')
+      displayName: publish iOS screenshots artifacts
+      inputs:
+        PathToPublish: ${{ parameters.checkoutDirectory }}/artifacts/bin/Controls.TestCases.iOS.Tests/${{ parameters.configuration }}/net9.0/snapshots-diff
+        ArtifactName: uitest-snapshot-results-ios
+
+  - ${{ if eq(parameters.platform, 'windows')}}:
+    - task: PowerShell@2
+      inputs:
+        targetType: 'inline'
+        script: |
+          $folderPath = "${{ parameters.checkoutDirectory }}/artifacts/bin/Controls.TestCases.WinUI.Tests/${{ parameters.configuration }}/net9.0/snapshots-diff"
+          if (Test-Path $folderPath) {
+            Write-Host "##vso[task.setvariable variable=windowsFolderExists;isOutput=true]true"
+          } else {
+            Write-Host "##vso[task.setvariable variable=windowsFolderExists;isOutput=true]false"
+          }
+      name: CheckWindowsFolderExists
+
+    - task: PublishBuildArtifacts@1
+      condition: eq(variables['CheckWindowsFolderExists.windowsFolderExists'], 'true')
+      displayName: publish Windows screenshots artifacts
+      inputs:
+        PathToPublish: ${{ parameters.checkoutDirectory }}/artifacts/bin/Controls.TestCases.WinUI.Tests/${{ parameters.configuration }}/net9.0/snapshots-diff
+        ArtifactName: uitest-snapshot-results-windows
+
+  - ${{ if eq(parameters.platform, 'catalyst')}}:
+    - task: PowerShell@2
+      inputs:
+        targetType: 'inline'
+        script: |
+          $folderPath = "${{ parameters.checkoutDirectory }}/artifacts/bin/Controls.TestCases.Mac.Tests/${{ parameters.configuration }}/net9.0/snapshots-diff"
+          if (Test-Path $folderPath) {
+            Write-Host "##vso[task.setvariable variable=macFolderExists;isOutput=true]true"
+          } else {
+            Write-Host "##vso[task.setvariable variable=macFolderExists;isOutput=true]false"
+          }
+      name: CheckMacFolderExists
+
+    - task: PublishBuildArtifacts@1
+      condition: eq(variables['CheckMacFolderExists.macFolderExists'], 'true')
+      displayName: publish Mac screenshots artifacts
+      inputs:
+        PathToPublish: ${{ parameters.checkoutDirectory }}/artifacts/bin/Controls.TestCases.Mac.Tests/${{ parameters.configuration }}/net9.0/snapshots-diff
+        ArtifactName: uitest-snapshot-results-mac